Burdin sulfatoa
Zehaztapenak
| Elementua | Estandarra |
| Fe2+ | %17,6 ≥ |
| Material disolbaezina | ≤0,1% |
| Hg | ≤0,00001 % |
| Cr | ≤0,0005 % |
| As | ≤ % 0,002 |
| Pb | ≤ % 0,002 |
Idatzi zure mezua hemen eta bidali iezaguzu
Zehaztapenak
| Elementua | Estandarra |
| Fe2+ | %17,6 ≥ |
| Material disolbaezina | ≤0,1% |
| Hg | ≤0,00001 % |
| Cr | ≤0,0005 % |
| As | ≤ % 0,002 |
| Pb | ≤ % 0,002 |